cvs commit: src/sys/dev/acpica acpi_hpet.c

Nate Lawson njl at
Sun Jul 22 20:45:28 UTC 2007

njl         2007-07-22 20:45:27 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/acpica       acpi_hpet.c 
  The HPET appears to be broken on silby's Acer Pentium M system, never
  advancing.  Read from the timer before attaching to be sure it advances
  in 1 us.  Since the slowest rate allowed by the spec is 10 MHz, the
  timer is guaranteed to change in this interval if it is working.
  Tested by:      Rui Paulo
  Approved by:    re
  MFC after:      3 days
  Revision  Changes    Path
  1.10      +18 -4     src/sys/dev/acpica/acpi_hpet.c

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